Winter crops need to be sown
- Written by Marit E. Kragt, Professor of Agricultural Economics, The University of Western Australia
War in the Middle East has put a spotlight on the Strait of Hormuz, the narrow sea passage through which 20% of global oil supply is shipped. But far less attention has been paid to another essential product derived from oil and gas, on which the world also relies: fertiliser.
Roughly 20–30% of global fertiliser supply, such as urea, ammonia...





